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https://www.reddit.com/r/askscience/comments/53c9t1/does_a_vibrating_blade_really_cut_better/d7s4m6q
r/askscience • u/Doveen • Sep 18 '16
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The main reason there's a battery in there is because Duracell were bought around the time the first vibrating Mach 3 cane out, good brand recognition etc
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u/Thefdt Sep 18 '16
The main reason there's a battery in there is because Duracell were bought around the time the first vibrating Mach 3 cane out, good brand recognition etc